| O'Donoghue, Michael - Ed. (1976) The Encyclopedia of Minerals and Gemstones. Orbis Publishing Ltd. Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. |
Oficina María Elena, María Elena, Tocopilla Province, Antofagasta, Chile